“One day it rains, the next day it is 20 ° C”: what is the whimsical jet stream, which is at the basis of this changeable weather?

Armand Pien still appears to be right: it is all the fault of the jet stream. One moment you have wonderfully sunny terrace weather, the next moment it is cloudy and rainy during spring. Also during this Easter holidays the whims of the jet stream seem to cause changeable. But what exactly is that? How does this influence us again? And what can we expect in the coming days? HLN science expert Martijn Peters explains.

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